/* Copyright (C) 2004 - 2008  Versant Inc.  http://www.db4o.com

This file is part of the sharpen open source java to c# translator.

sharpen is free software; you can redistribute it and/or modify it under
the terms of version 2 of the GNU General Public License as published
by the Free Software Foundation and as clarified by db4objects' GPL 
interpretation policy, available at
http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
Suite 350, San Mateo, CA 94403, USA.

sharpen is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. */

/* Copyright (C) 2004 - 2006 Versant Inc. http://www.db4o.com */

package sharpen.core.csharp.ast;

import java.util.List;

public class CSTypeReference extends CSTypeReferenceExpression implements CSTypeArgumentProvider {

    private final String _typeName;
    private final CSTypeArgumentSupport _typeArguments = new CSTypeArgumentSupport();

    public CSTypeReference(String typeName) {
        _typeName = typeName;
    }

    @Override
    public void accept(CSVisitor visitor) {
        visitor.visit(this);
    }

    public String typeName() {
        return _typeName;
    }

    @Override
    public String toString() {
        return _typeName;
    }

    public List<CSTypeReferenceExpression> typeArguments() {
        return _typeArguments.typeArguments();
    }

    public void addTypeArgument(CSTypeReferenceExpression typeArgument) {

        _typeArguments.addTypeArgument(typeArgument);
    }

    @Override
    public int hashCode() {
        return _typeName.hashCode();
    }

    @Override
    public boolean equals(Object o) {
        if (o instanceof CSTypeReference) {
            CSTypeReference other = (CSTypeReference) o;
            boolean retval = other._typeName.equals(this._typeName);

            List<CSTypeReferenceExpression> typeArgs = other.typeArguments();
            List<CSTypeReferenceExpression> myTypeArgs = this.typeArguments();
            retval = retval && typeArgs.equals(myTypeArgs);

            return retval;
        } else {
            return false;
        }
    }

    public static CSTypeReference parseGeneric(String mappedTypeName) {
        int start = mappedTypeName.indexOf("<");
        int end = mappedTypeName.lastIndexOf(">");
        if (start < 0 || end < 0) {
            return new CSTypeReference(mappedTypeName);
        }
        CSTypeReference typeReference = new CSTypeReference(mappedTypeName.substring(0, start));
        String generics = mappedTypeName.substring(start + 1, end);
        for (String genericType : generics.split(",")) {
            typeReference.addTypeArgument(new CSTypeReference(genericType.trim()));
        }
        return typeReference;
    }

}
